Sigma EX 18-50mm F2.8 DC HSM Macro vs Tamron SP 17-35mm F2.8-4 Di

This is a full comparison between the lenses Sigma EX 18-50mm F2.8 DC HSM Macro and Tamron SP 17-35mm F2.8-4 Di .

Compare Specifications

Product
Sigma EX 18-50mm F2.8 DC HSM Macro
Tamron SP 17-35mm F2.8-4 Di
Name Sigma EX 18-50mm F2.8 DC HSM Macro Tamron SP 17-35mm F2.8-4 Di
Manufacturer Sigma Tamron
SKU
Release Date and Price
Sigma EX 18-50mm F2.8 DC HSM Macro
Tamron SP 17-35mm F2.8-4 Di
Release Year 2006 2004
Release Date
MSRP N/A N/A
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Lens Type
Sigma EX 18-50mm F2.8 DC HSM Macro
Tamron SP 17-35mm F2.8-4 Di
Lens Type Standard / Normal
Macro
Wide Angle Lens
Zoom or Prime Zoom lens Zoom lens
Mount and Compatibility
Sigma EX 18-50mm F2.8 DC HSM Macro
Tamron SP 17-35mm F2.8-4 Di
Mount Nikon F Canon EFNikon F
Designed for APS-C sensor Yes No (Suitable for all sensors)
Focus
Sigma EX 18-50mm F2.8 DC HSM Macro
Tamron SP 17-35mm F2.8-4 Di
Autofocus (AF) Yes YesNote. See below for further information
Built-in Autofocus (AF) Motor Yes No
Requires that the camera has an Autofocus Motor
Compatible Cameras for Tamron SP 17-35mm F2.8-4 Di
Motor Type No information N/A
Focus Method No information No information
Closest Focusing Distance 20 cm 30 cm
Maximum Magnification
Macro 1:1 No No (No Macro lens)
Aperture
Sigma EX 18-50mm F2.8 DC HSM Macro
Tamron SP 17-35mm F2.8-4 Di
Maximum Aperture F2,8 F2,8-4
This lens has a variable aperture at different focal lengths.
F2,8 at 17 mm
F4 at 35 mm
Variable Aperture
Diaphragm Blades No information No information
Optics
Sigma EX 18-50mm F2.8 DC HSM Macro
Tamron SP 17-35mm F2.8-4 Di
Construction 15 elements  /  13 groups 14 elements  /  11 groups
Special Elements/Coatings No information No information
Focal Length
Sigma EX 18-50mm F2.8 DC HSM Macro
Tamron SP 17-35mm F2.8-4 Di
Focal Length 18-50 mm 17-35 mm
Zoom Range 32 mm 18 mm
Built-in Teleconverter No No
Teleconverter Multiplier N/A N/A
Image Stabilization No No
Image Stabilization CIPA Rating N/A N/A
Physical
Sigma EX 18-50mm F2.8 DC HSM Macro
Tamron SP 17-35mm F2.8-4 Di
Weather Sealing No No
Diameter 79 mm 83 mm
Length 85 mm 86 mm
Weight 535 gr 440 gr
Other
Sigma EX 18-50mm F2.8 DC HSM Macro
Tamron SP 17-35mm F2.8-4 Di
Filter Type Filter Thread Filter Thread
Filter Diameter 72 mm 77 mm
Lens Hood Included Included
Lens Hood SKU LH780-04 581 N/A
Tripod Collar N/A N/A
Tripod Collar SKU N/A N/A
Other Model A05